package com.hmall.common.interceptor;


import com.hmall.common.utils.UserContext;
import org.springframework.core.Ordered;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class UserInfoInterceptor implements HandlerInterceptor  {


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String userIdStr = request.getHeader("user-info");
        if(userIdStr!=null&&!"".equals(userIdStr)){
            UserContext.setUser(Long.parseLong(userIdStr));
        }

        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        UserContext.removeUser();
    }
}
